16028875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 22351680

約数和(自身を除く): 6322805

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 323, 397, 425, 475, 1615, 1985, 2125, 2375, 6749, 7543, 8075, 9925, 33745, 37715, 40375, 49625, 128231, 168725, 188575, 641155, 843625, 942875, 3205775, 16028875]

約数ペア:

[(1, 16028875), (5, 3205775), (17, 942875), (19, 843625), (25, 641155), (85, 188575), (95, 168725), (125, 128231), (323, 49625), (397, 40375), (425, 37715), (475, 33745), (1615, 9925), (1985, 8075), (2125, 7543), (2375, 6749)]